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Answer:
European technological developments in cartography and navigation built on previous knowledge developed in the classical, Islamic and Asian worlds, and included the production of new tools. (such as astrolabe or revised maps), innovations in ship designs. (such as caravels) and an improved understanding of global wind and currents patterns, all of which made transoceanic travel and trade possibl
Answer:
C. helped strengthen Christianity in Europe.
Explanation:
Pope Leo III crowned Charlemagne Holy Roman Emperor on Christmas Day, 800, in Rome. The event was significant for several different reasons. For Charlemagne, it meant that the Church, very powerful in early medieval Europe, gave its sanction to his rule.